-What do you think of the traffic in our city?-lt's than it used to be, but there's still a long way to go.
I find _______ difficult to finish the work on time. We only have three hours left.
—What are you looking for?—I’m looking for the watch _______ I bought yesterday.A.which B.who C.whose
—Which season do you like _______, summer or winter?— Summer.A.well B.best C.better
—It’s too late. I have to go now.—Oh, it’s raining outside. Don’t leave _______it stops.A.since B.until C.while
When Jim’s mother came in, he _______ his homework.A.is doing B.has done C.was doing